15721916

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{4969}}^1$

素因数の和:5093

約数の個数: 24

約数和(自身を含む): 31728480

約数和(自身を除く): 16006564

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 4969, 9938, 19876, 34783, 69566, 139132, 561497, 1122994, 2245988, 3930479, 7860958, 15721916]

約数ペア:

[(1, 15721916), (2, 7860958), (4, 3930479), (7, 2245988), (14, 1122994), (28, 561497), (113, 139132), (226, 69566), (452, 34783), (791, 19876), (1582, 9938), (3164, 4969)]